OT-2026-000004553
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, plant vacuum fed
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004553) never changes.
Identity and time
| Publication number | OT-2026-000004553 · never reused |
|---|---|
| Internal UUID | 01a0a91b-c1c7-7901-b776-50bc827d65b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:03.722922Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 350de90f00eee08fa209086661c12c4f93e2b50edfd2a5623c8ac936dd1d3a98 |
|---|---|
| Markdown | 2e6ca5cca8863649540927ae46284cd8fcc7cd3f245f40444aa08ff9db3321b0 |
| Publication page | 5f0a82f78a37c820ec1baabdc661cdf8e33953b920f737da5e6bfbb6b47d3e4f |
| Manifest | b52f6d3f23e2b839eb2902517b251834bd8e6871be11ab73173378fa827d66bb |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | KOIrMthEHEuS2iE0DZxojKzDibxHfpXcMCR89P2BPAE+7taEJnEC2TllS7QHcxvXxIwyj3a2YfgyKKUGV6MYBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:15.442208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004553observed 5f0a82f78a37c820ec1baabdc661cdf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.431043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004553/manifest.jsonobserved b52f6d3f23e2b839eb2902517b251834...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.418538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004553/publication.mdobserved 2e6ca5cca8863649540927ae46284cd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.406533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004553/publication.txtobserved 350de90f00eee08fa209086661c12c4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|